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Plant library

Herb · Warm season

Oregano

Oregano

Oregano: crop reference photographCrop reference
Sun

Full sun; at least 6–8 hours of direct sunlight daily.

Water

Water new transplants when the top inch dries. Once established, allow the upper 1–2 inches to dry before watering deeply; skip irrigation after rain. Excellent drainage is essential; do not keep the root zone constantly wet.

Spacing

8–12 in

Difficulty

Easy–Moderate

Planting and care

How to grow oregano

When to grow

Warm season · Herbaceous perennial

How to start

Rooted nursery transplant or division

Mature size

12–24 in tall and spreading

Time to harvest

Light sprig harvest about 30–60 days after transplant once new growth is strong; allow the first season for establishment.

Feeding needs

Light feeder

Growth habit

Compact Herb

How to prune

Pinch leafy stem tips to branch; cut flower stems back to leafy growth after flowering. Thin crowded stems in spring and remove dead growth without scalping the crown.

How to harvest

Snip small leafy sprigs with clean scissors after dew dries. Take no more than about one-third of growth at once and leave healthy green foliage on every retained branch.

Harvest and kitchen use

Fresh or dried leaves for tomato dishes, pizza and Mediterranean cooking.

Nutrition and garden value

Aromatic herbs provide flavor and small amounts of vitamins/phytonutrients

High customer value in small space; flowers on many herbs support pollinators/beneficial insects

Common challenges and troubleshooting

Bolting, winter injury or root rot varies by herb